4. Metal treatment
  5. Stock
  6. Age or precipitation hardened or strengthened

Kunio Nakashima

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Air passage switching door

Valves and valve actuation – Rotary valves – Butterfly
Reexamination Certificate

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Cutting-free bronze alloys

Metal treatment – Stock – Copper base
Reexamination Certificate

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High strength .alpha. brass containing Mn, Si, Co, Fe, Sn and Pb

Metal treatment – Stock – Copper base
Patent

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Method for manufacturing an air passage switching door

Plastic article or earthenware shaping or treating: apparatus – Distinct means to feed – support or manipulate preform stock... – And means to form or reshape preform
Reexamination Certificate

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Method for preventing lead from dissolving from a...

Etching a substrate: processes – Nongaseous phase etching of substrate – Recycling – regenerating – or rejunevating etchant
Reexamination Certificate

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Profile ID: LFUS-PAI-P-324983

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